DOWNEY CARDIO- MEDICAL GROUP A PROFESSIONAL CORPORATION
NPI 1003087313
Internal Medicine - Clinical Cardiac Electrophysiology in Downey, CA
About Downey Cardio- Medical Group A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOWNEY CARDIO- MEDICAL GROUP A PROFESSIONAL CORPORATION (NPI 1003087313) is a healthcare organization registered as a clinical cardiac electrophysiology in Downey, California and active in the NPI registry since March 2008. The organization lists Ananjit Singh, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Downey Cardio- Medical Group A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Downey Cardio- Medical Group A Professional Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Downey Cardio- Medical Group A Professional Corporation's NPI number?
The NPI number for Downey Cardio- Medical Group A Professional Corporation is 1003087313. It was assigned to this organization in the NPPES registry on March 13, 2008.
Where is Downey Cardio- Medical Group A Professional Corporation located?
Downey Cardio- Medical Group A Professional Corporation is located at 11544 Downey Ave, Downey, CA 90241. The listed phone number is (562) 947-2464.
What is Downey Cardio- Medical Group A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Downey Cardio- Medical Group A Professional Corporation enrolled in Medicare?
Yes. Downey Cardio- Medical Group A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Downey Cardio- Medical Group A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiac Electrophysiology) reassigns their Medicare billing to Downey Cardio- Medical Group A Professional Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Downey Cardio- Medical Group A Professional Corporation was last updated on April 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Downey Cardio- Medical Group A Professional Corporation · NPI 1003087313
Clinical Cardiac Electrophysiology organization in Downey, California. Organization record, active in the CMS NPPES registry since March 13, 2008.
## Identity
- **NPI:** 1003087313 (Entity type: Organization)
- **Enumerated:** March 13, 2008
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **Organization subpart:** No
- **Authorized official:** Ananjit Singh, PRESIDENT
## Practice location
- **Address:** 11544 DOWNEY AVE, Downey, CA 90241-4955
- **Phone:** (562) 947-2464
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Cardiac Electrophysiology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 11, 2017
- **Other identifiers:** Medicaid GR0027650 (CA); Medicare PIN W007 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1003087313) · Data from the CMS NPPES public registry.